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Synthèse de prodrogues d'inhibiteurs de la 1-désoxy-D-xylulose 5-phosphate réductoisomérase (DXR) : des agents antituberculeux potentiels

Abstract : Today, tuberculosis is one of most murderous infectious diseases in the world. This disease is caused by the mycobacterium : Mycobacterium tuberculosis which is becoming more and more resistant towards antitubercular drugs. Therefore, it is urgent to find inovative targets for the development of new antitubercular drugs. The biosynthesis of isoprenoids represents such a target. The biological precursors of all isoprenoids are IPP and DMAPP which are synthesized via two pathways the mevalonate pathway, which is present in human and the methylerythritol phosphate (MEP) pathway which is present in M. tuberculosis. but absent in human. Fosmidomycin and fosfoxacine, two natural inhibitors of the deoxyxylulose phosphate reductoisomerase (DXR), the second enzyme of MEP pathway, but they do not affect the growth of Mycobacterium tuberculosis cells, due to a lack of uptake of the polar drugs by the bacteria. To overcome this absence of the mycobacterial cell watll crossing of these compounds, we synthesized lipophilic cycloSaligenyl and arylphosphoramidate prodrugs of DXR inhibitors. Some compounds inhibit the growth of Mycobacterium smegmatis, a non-pathogenic model of mycobacterium.
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Mathilde Munier. Synthèse de prodrogues d'inhibiteurs de la 1-désoxy-D-xylulose 5-phosphate réductoisomérase (DXR) : des agents antituberculeux potentiels. Autre. Université de Strasbourg, 2016. Français. ⟨NNT : 2016STRAF016⟩. ⟨tel-02917957⟩

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